Outside light issue

All electrical lighting questions in here please. Including outside lighting and light switch / dimmer questions.

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bgatty68
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Outside light issue

Post by bgatty68 » Sun Jan 13, 2019 3:33 pm

Hi guys my twin outside lights have stopped working now I understand the basics on electrical work and feel completely competent doing some work, I have a multimeter and just thought I would ask the experts the best route to take. Now the lights have been installed quite a few years ago and I installed them from the ceiling rose in the hallway and that light still works and all downstairs lights are ok and nothing has tripped out on the consumer box and I thought it was the bulbs at first -4 of them- but I put a spare bulb I had in but still nothing? Any ideas are welcome
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Re: Outside light issue

Post by someone-else » Sun Jan 13, 2019 3:57 pm

Picture of said light?

Also have you opened said light? water ingress
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Re: Outside light issue

Post by bgatty68 » Sun Jan 13, 2019 4:15 pm

Will look for water ingress now
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Re: Outside light issue

Post by Ktuludays » Sun Jan 13, 2019 5:21 pm

Are they connected off a fused spur?

They should be to prevent any external fault causing a loss of internal lights (in this case).
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Re: Outside light issue

Post by someone-else » Sun Jan 13, 2019 5:30 pm

Ktuludays wrote:Are they connected off a fused spur?

They should be to prevent any external fault causing a loss of internal lights (in this case).
Never heard anyone doing that before.
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Re: Outside light issue

Post by Ktuludays » Sun Jan 13, 2019 5:40 pm

17th edition from my understanding requires a safe means of isolation for maintenance and in the event of a fault.

Why take a risk by taking a feed direct from lighting circuit or back of socket circuits. Outside fault has potential to create a fault rendering rcd unresettable until fault has cleared. If that happens when it's dark you're left in a tricky spot to rectify the fault. A simple fcu would eradicate the problem immediately.
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Re: Outside light issue

Post by someone-else » Sun Jan 13, 2019 6:07 pm

I understand the reasoning, but I have never heard of anyone doing it. (Obviously if its fed from a ring then yes)
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Re: Outside light issue

Post by Ktuludays » Sun Jan 13, 2019 6:46 pm

I always do it as good practice. Doesn't take that much longer and extra material cost is small.
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Re: Outside light issue

Post by wine~o » Mon Jan 14, 2019 6:34 pm

Ktuludays wrote:Are they connected from a fused spur?
I think that is the most likely scenario, fused spur or switched fused... Unusual for both to go pop otherwise (without anything internal going pop)
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Re: Outside light issue

Post by sammy.se » Mon Jan 14, 2019 7:26 pm

wine~o wrote:
Ktuludays wrote:Are they connected from a fused spur?
I think that is the most likely scenario, fused spur or switched fused... Unusual for both to go pop otherwise (without anything internal going pop)
What's the difference between a switched fuse and a fused spur? I thought they were the same?



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Re: Outside light issue

Post by Ktuludays » Mon Jan 14, 2019 7:28 pm

One has a switch, the other doesn't.
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Re: Outside light issue

Post by sammy.se » Mon Jan 14, 2019 7:54 pm

Ah, ok, thanks. Obvious really :-). I didn't even notice there were unswitched fused spurs...

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Re: Outside light issue

Post by bgatty68 » Sun Jan 20, 2019 11:51 am

Hey guys I appreciate the debate but I’ve chrcked and there’s no water ingress. Just needed some advice on testing the lights with multimeter ? Checking for voltage etc
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Re: Outside light issue

Post by someone-else » Sun Jan 20, 2019 12:03 pm

I am concerned that if you have to ask that, should you be doing this? Electricity has no prejudices, it kills anyone.

BUT what you could do is take the light fitting down and check its resistance.

Switch the mains to the light is off first.
Fret not, a forum is a collection of opinions. Above, are mine.

Which is correct? Metre or Meter? Click the link to find out more.

Working on anything electrical? have you got a multi meter? why not? Would you hit a nail with a shoe?

If gloom had a voice, it would be me. :mrgreen:

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Re: Outside light issue

Post by bgatty68 » Mon Jan 28, 2019 9:14 am

Ok guys wanted to give an update.
I checked out the light switch and this is ok and the cables going to the lights and there is voltage going to the actual lights but obviously nothing works and there is no water ingress.
So my next question is what would be the next step on why the lights are not working as there is two lights and power to them ? Any other ideas would be welcome (Ive changed the bulbs)
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